2XU Men's Core Compression Tights Elastane,Nylon The only graduated compression technology proven to improve performance and speed recovery This item is made of our PWX (Power-Weight-Flex) signature fabric that provides an unparalleled combination of powerful compression, lightweight feel and maximum flexibility Drawstring elastic waistband for secure and comfortable fit Moisture wicking technology to keep you dry and flatlock seams to help with chafe prevention Antibacterial UPF 50+ Sun Protection